[INFO] cloning repository https://github.com/maysay-D/grouping-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maysay-D/grouping-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaysay-D%2Fgrouping-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaysay-D%2Fgrouping-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67c269821f51a1ec3dea2737424372fa5fccaf95
[INFO] testing maysay-D/grouping-tool against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaysay-D%2Fgrouping-tool" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maysay-D/grouping-tool
[INFO] finished tweaking git repo https://github.com/maysay-D/grouping-tool
[INFO] tweaked toml for git repo https://github.com/maysay-D/grouping-tool written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maysay-D/grouping-tool on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maysay-D/grouping-tool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91
[INFO] running `Command { std: "docker" "start" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ctrlc v3.5.1
[INFO] [stderr]    Compiling grouping-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 6.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling grouping-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.30.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/grouping_tool-7622f4cd05665d2d)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::test_atomic_flag_behavior ... ok
[INFO] [stdout] test tests::test_mixed_complete_and_incomplete_groups ... ok
[INFO] [stdout] test tests::test_group_creation ... ok
[INFO] [stdout] test tests::test_batch_mode_maximizes_three_person_groups ... ok
[INFO] [stdout] test tests::test_reorganize_allows_two_person_groups ... ok
[INFO] [stdout] test tests::test_reorganize_batch_groups_five_members ... ok
[INFO] [stdout] test tests::test_no_single_person_groups_with_seven_students ... ok
[INFO] [stdout] test tests::test_no_single_person_groups_with_ten_students ... ok
[INFO] [stdout] test tests::test_reorganize_batch_groups_four_members ... ok
[INFO] [stdout] test tests::test_reorganize_batch_groups_no_single_person_groups ... ok
[INFO] [stdout] test tests::test_reorganize_batch_groups_splits_five_person_group ... ok
[INFO] [stdout] test tests::test_reorganize_batch_groups_splits_large_group ... ok
[INFO] [stdout] test tests::test_reorganize_batch_groups_splits_seven_person_group ... ok
[INFO] [stdout] test tests::test_reorganize_batch_groups_three_members ... ok
[INFO] [stdout] test tests::test_reorganize_batch_groups_three_members_reverse_order ... ok
[INFO] [stdout] test tests::test_reorganize_with_complete_groups ... ok
[INFO] [stdout] test tests::test_reorganize_with_incomplete_groups ... ok
[INFO] [stdout] test tests::test_single_student_with_complete_group ... ok
[INFO] [stdout] test tests::test_two_person_groups_only_when_not_divisible_by_three ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91", kill_on_drop: false }`
[INFO] [stdout] ae955a703b49f4a9b02c4f68b1962cfb9031e0902925730a917dcde79f400e91
